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Guides/Solar regulations/Mississippi

MS · PLAN BEFORE YOU BUY

Mississippi solar regulations.

Use the serving utility’s distributed-generation interconnection process and check whether PSC rules apply to that utility.

The Mississippi River at Natchez, Mississippi
The Mississippi River at Natchez, MississippiPhoto details & credits

Sources reviewed · 4 regulation sources

What to know in Mississippi.

  • Mississippi PSC publishes distributed-generation and interconnection rules. Mississippi Power separately explains its application review levels and required interconnection process for parallel generation.

    Mississippi PSC — Rules

  • Mississippi Power says its renewable-energy purchase programs require a valid interconnection agreement. The customer’s actual utility program and tariff determine export credit terms.

    Mississippi Power — Renewable Energy Programs

  • The State Fire Marshal’s uniform-building-code page explains the state’s local adoption framework, including jurisdictions that opted out; ask the county or municipality which electrical and building requirements apply.

    Mississippi State Fire Marshal — Uniform Building Codes
Which rules cover your project?

Do not apply Mississippi Power or Entergy Mississippi terms to a different utility or cooperative without checking its program.

Who provides electricity here?

Narrow possible delivery utilities by ZIP or confirm yours

Find the delivery utility on your electric bill first. A retail supplier or on-site solar seller may be a different company; your delivery utility handles the local grid connection.

Check your actual service address.

Use the official certificated-service-area resources and confirm the serving utility; not every provider is under the same rate regulation.

Mississippi PSC certificated-area maps
Browse 50 reported provider records in Mississippi

50 records

Electric delivery utilities 50

  • Entergy — official logo
    Entergy Mississippi LLCInvestor Owned · EIA 12685
    Reported counties (46)

    Adams, Amite, Attala, Bolivar, Calhoun, Carroll, Choctaw, Claiborne, Clay, Coahoma, Copiah, Covington, DeSoto, Franklin, Grenada, Hinds, Holmes, Humphreys, Issaquena, Jefferson, Jefferson Davis, Lawrence, Leake, Leflore, Lincoln, Madison, Montgomery, Panola, Pike, Quitman, Rankin, Scott, Sharkey, Simpson, Smith, Sunflower, Tallahatchie, Tate, Tunica, Walthall, Warren, Washington, Webster, Wilkinson, Yalobusha, Yazoo

  • Mississippi Power CoInvestor Owned · EIA 12686
    Reported counties (23)

    Clarke, Covington, Forrest, George, Greene, Hancock, Harrison, Jackson, Jasper, Jefferson Davis, Jones, Lamar, Lauderdale, Leake, Marion, Neshoba, Newton, Pearl River, Perry, Scott, Smith, Stone, Wayne

  • Coast Electric Power Assn - (MS)Cooperative · EIA 3841
    Reported counties (3)

    Hancock, Harrison, Pearl River

  • Singing River Elec CooperativeCooperative · EIA 17252
    Reported counties (7)

    George, Greene, Harrison, Jackson, Perry, Stone, Wayne

  • Southern Pine Electric CooperativeCooperative · EIA 17647
    Reported counties (11)

    Copiah, Covington, Forrest, Jasper, Jefferson Davis, Lawrence, Newton, Rankin, Scott, Simpson, Smith

  • Pearl River Valley El Pwr AssnCooperative · EIA 14563
    Reported counties (12)

    Covington, Forrest, George, Jackson, Jefferson Davis, Lamar, Lawrence, Marion, Pearl River, Perry, Stone, Walthall

  • 4-County Electric Power AssnCooperative · EIA 6641
    Reported counties (7)

    Choctaw, Clay, Lowndes, Monroe, Noxubee, Oktibbeha, Webster

  • Dixie Electric Power Assn - (MS)Cooperative · EIA 5175
    Reported counties (7)

    Clarke, Covington, Forrest, Jasper, Jones, Perry, Wayne

  • Tombigbee Electric Power AssnCooperative · EIA 19007
    Reported counties (4)

    Itawamba, Lee, Pontotoc, Prentiss

  • Magnolia Electric Power AssnCooperative · EIA 11519
    Reported counties (6)

    Amite, Franklin, Lawrence, Lincoln, Pike, Walthall

  • Central Electric Power Assn - (MS)Cooperative · EIA 2849
    Reported counties (6)

    Attala, Leake, Newton, Rankin, Scott, Tate

  • Northcentral Mississippi E P ACooperative · EIA 13735
    Reported counties (2)

    DeSoto, Marshall

  • North East Mississippi EPACooperative · EIA 40302
    Reported counties (4)

    Lafayette, Marshall, Pontotoc, Union

  • Southwest Mississippi E P ACooperative · EIA 17683
    Reported counties (9)

    Adams, Amite, Claiborne, Copiah, Franklin, Hinds, Jefferson, Lincoln, Wilkinson

  • Tallahatchie Valley E P ACooperative · EIA 18447
    Reported counties (5)

    Lafayette, Panola, Tallahatchie, Tate, Yalobusha

  • Delta Electric Power AssnCooperative · EIA 22815
    Reported counties (13)

    Attala, Bolivar, Carroll, Choctaw, Grenada, Holmes, Humphreys, Leflore, Montgomery, Sunflower, Tallahatchie, Washington, Webster

  • Pontotoc Electric Power AssnCooperative · EIA 15211
    Reported counties (2)

    Calhoun, Pontotoc

  • Alcorn County Elec Power AssnCooperative · EIA 276
    Reported counties (1)

    Alcorn

  • City of StarkvilleMunicipal · EIA 18006
    Reported counties (1)

    Oktibbeha

  • Natchez Trace Elec Power AssnCooperative · EIA 13227
    Reported counties (3)

    Calhoun, Chickasaw, Webster

  • Twin County Electric Pwr AssnCooperative · EIA 18961Residential service not separately reported
    Reported counties (7)

    Humphreys, Issaquena, Leflore, Sharkey, Sunflower, Warren, Washington

  • Tishomingo County E P ACooperative · EIA 18951
    Reported counties (2)

    Prentiss, Tishomingo

  • Prentiss County Elec Pwr AssnCooperative · EIA 15334
    Reported counties (2)

    Lee, Prentiss

  • City of Tupelo - (MS)Municipal · EIA 19273
    Reported counties (1)

    Lee

  • Tippah Electric Power AssnCooperative · EIA 18943
    Reported counties (1)

    Tippah

  • Monroe County Elec Power AssnCooperative · EIA 40303
    Reported counties (2)

    Lowndes, Monroe

  • East Mississippi Elec Pwr AssnCooperative · EIA 5578
    Reported counties (10)

    Attala, Clarke, Jasper, Kemper, Lauderdale, Neshoba, Newton, Noxubee, Wayne, Winston

  • Yazoo Valley Elec Power AssnCooperative · EIA 21114
    Reported counties (6)

    Holmes, Humphreys, Issaquena, Sharkey, Warren, Yazoo

  • City of Holly SpringsMunicipal · EIA 8748
    Reported counties (2)

    Benton, Marshall

  • City of Columbus - (MS)Municipal · EIA 4068
    Reported counties (1)

    Lowndes

  • City of Oxford - (MS)Municipal · EIA 14275
    Reported counties (1)

    Lafayette

  • Coahoma Electric Power AssnCooperative · EIA 3839Residential service not separately reported
    Reported counties (7)

    Bolivar, Coahoma, DeSoto, Quitman, Sunflower, Tallahatchie, Tunica

  • City of New Albany - (MS)Municipal · EIA 13412
    Reported counties (4)

    Benton, Marshall, Tippah, Union

  • Greenwood Utilities CommMunicipal · EIA 7651
    Reported counties (2)

    Carroll, Leflore

  • Clarksdale Public UtilitiesMunicipal · EIA 3702Residential service not separately reported
    Reported counties (1)

    Coahoma

  • Public Serv Comm of Yazoo City -(MS)Municipal · EIA 21095Residential service not separately reported
    Reported counties (1)

    Yazoo

  • Canton Municipal UtilitiesMunicipal · EIA 2974Residential service not separately reported
    Reported counties (1)

    Madison

  • City of OkolonaMunicipal · EIA 14078
    Reported counties (1)

    Chickasaw

  • City of Kosciusko - (MS)Municipal · EIA 10447Residential service not separately reported
    Reported counties (1)

    Attala

  • City of West Point - (MS)Municipal · EIA 20394
    Reported counties (1)

    Clay

  • City of AmoryMunicipal · EIA 571
    Reported counties (1)

    Monroe

  • City of Philadelphia - (MS)Municipal · EIA 14947
    Reported counties (1)

    Neshoba

  • City of Aberdeen - (MS)Municipal · EIA 55
    Reported counties (1)

    Monroe

  • Louisville Electric SystemMunicipal · EIA 11247
    Reported counties (1)

    Winston

  • City of Leland - (MS)Municipal · EIA 10892Residential service not separately reported
    Reported counties (1)

    Washington

  • City of Water Valley - (MS)Municipal · EIA 20176
    Reported counties (1)

    Yalobusha

  • City of Collins - (MS)Municipal · EIA 3957Residential service not separately reported
    Reported counties (1)

    Covington

  • City of Itta Bena - (MS)Municipal · EIA 9472Residential service not separately reported
    Reported counties (1)

    Leflore

  • City of Macon - (MS)Municipal · EIA 11458
    Reported counties (1)

    Noxubee

  • City of Durant - (MS)Municipal · EIA 5479Residential service not separately reported
    Reported counties (1)

    Holmes

Official logo sources · Initials indicate a logo not yet verified. Municipal-owner emblems identify the owning city or village.

Source: EIA-861 final 2025 detailed data · Reporting year 2025. Names and reported counties are historical survey data, not a live address lookup. A county can have several providers, and a listing does not mean every resident can choose it. Small/territory-only reports may not identify residential service separately.

Credits, rebates, and other opportunities.

Check the program’s scope before comparing savings: a tax exemption, equipment rebate, loan and electricity-export payment provide different benefits. Funding, utility territory, income, equipment and installation dates can limit eligibility. Amounts below are not added together or deducted from product prices.

Build a project incentive checklist for Mississippi

1 state & utility record

Entergy — administrator logo
Utility · rebateEligibility / funding conditions

Residential Heating and Cooling Program

Entergy Mississippi · Heat pumps

Participating trade allies offer incentives for qualified heat pumps and other heating/cooling equipment.

Benefit
Equipment-specific rebates; central and ductless systems use different schedules.
Who may qualify
Eligible Entergy Mississippi residential customer, approved equipment and participating trade ally.
Before applying or buying
Confirm the matched indoor/outdoor system and program requirements with the trade ally before purchase.
Entergy Mississippi: Residential Heating and Cooling Reviewed 2026-11-06

Listed rebates apply only in their named utility territory. No universal statewide solar cash rebate is established by this selection. This is a curated starting list, not every local incentive or a guarantee of available funding.

Federal programs in every state

The federal rules below apply nationally. State-administered federal rebates still require the local program to be operating and your project to meet its conditions.

  • Residential Clean Energy Credit (25D)

    Closed / ended

    Not available for new property placed in service after December 31, 2025. Do not assume a federal 30% credit for a new 2026 solar, wind, geothermal or battery installation.

    IRS: Residential Clean Energy Credit

  • Energy Efficient Home Improvement Credit (25C)

    Closed / ended

    The federal home-efficiency credit, including qualifying heat-pump improvements, ended for property placed in service after December 31, 2025.

    IRS: Energy Efficient Home Improvement Credit

  • HOMES / High-Efficiency Electric Home Rebates

    Eligibility / funding conditions

    Federally funded home-energy rebates operate through participating local administrators. Check the state program’s launch, current funding, eligible measures and application requirements. This is not a blanket rooftop-solar rebate.

    DOE: Home Energy Rebates Program

  • Weatherization Assistance Program

    Eligibility / funding conditions

    Income-eligible households may receive approved home-weatherization services through local agencies. This is assistance delivered through a program, rather than an automatic reimbursement for equipment you buy.

    DOE: How to Apply for Weatherization Assistance
Federal program details & filing sources

Permits and electrical codes.

The State Fire Marshal’s uniform-building-code page explains the state’s local adoption framework, including jurisdictions that opted out; ask the county or municipality which electrical and building requirements apply.

Use the adoption authority linked below to check the effective date and amendments. The newest published NEC edition is not automatically the edition adopted for your project.

Before ordering equipment.

Two conversations. Keep their answers separate.

Your proposed system and location inform separate local-authority and serving-utility questions, which become dated project records.
A question map, not an approval sequence. Local permit/code questions and utility interconnection/export questions have different scopes; processes and reviewers vary by address and serving utility. Keep permit and interconnection records

Track permits and interconnection in a project

  1. Confirm the permit authority

    Ask the city, county, or state electrical office which building, electrical and fire-code editions and amendments apply to this address. Request the solar/ESS permit checklist and inspection sequence.

  2. Confirm the utility process

    Give the serving utility your proposed capacity, inverter model and operating mode. Ask which interconnection application, tariff, export limits, meter changes and written operating authorization apply.

  3. Document the exact equipment

    Collect model-specific certificates, installation manuals, a one-line diagram, site/roof plans, and the battery/inverter pairing if storage is proposed. Check them with the permit authority and utility before ordering.

For the general permitting and inspection process: DOE: Permitting and Inspection for Rooftop Solar .

UL, NEMA, and system acceptance.

Different evidence, different scope.

UL 1973 concerns battery scope, UL 9540 concerns an exact energy storage system, and UL 9540A is a test method; one does not automatically replace another.
Conceptual scope labels, not certification marks or product approvals. A battery listing or fire-test report alone does not establish acceptance of a complete installed system. Read the exact model/configuration records. Check exact certification and test scope

Check the exact model and approved system configuration. A UL 1973 battery listing or UL 9540A fire-test report does not, by itself, establish UL 9540 certification of a complete storage system.

Open the UL & NEMA reference

Scope and system-level certification: UL Solutions: Energy Storage System Testing and Certification .

Official sources.

Open the source for current forms, eligibility, tariffs, and adopted rules. Utility-specific examples apply to that provider.

KEEP EXPLORING

More state guides.

AL

Alabama

Little River Falls in autumn, Alabama

Start with your serving utility’s interconnection process and the local code office.

61 delivery providers · 1 program record2 regulation sources · View guide
AR

Arkansas

Buffalo National River at Carver Landing, Arkansas

Determine whether the project receives legacy or non-legacy net-metering treatment before comparing economics.

36 delivery providers · 1 program record3 regulation sources · View guide
FL

Florida

Everglades National Park, Florida

Separate the utility interconnection application from local building, fire and electrical approval.

52 delivery providers · 1 program record3 regulation sources · View guide

Photography & map credits